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Quantum Paradoxes

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Quantum Paradoxes

Implementations of quantum physics paradoxes executable on IBM Quantum hardware using OpenQASM circuits and Qiskit, featuring 12 distinct paradox demonstrations including Schrödinger's Cat and Bell inequality tests.

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Quantum Paradoxes
About This Project

What This Software Does

This repository contains implementations of quantum physics paradoxes executable on IBM Quantum hardware using OpenQASM 2.0 circuits and Qiskit. The collection provides hands-on demonstrations of fundamental quantum mechanics concepts that challenge classical intuition about reality, measurement, and causality.
The project includes 12 distinct quantum paradox demonstrations ranging from the famous Schrödinger’s Cat macroscopic superposition to Hardy’s Paradox showing nonlocality without inequalities, the GHZ Paradox demonstrating “all or nothing” quantum nonlocality, Bell inequality violations through CHSH tests, and mind-bending experiments like the Quantum Eraser and Wheeler’s Delayed Choice.
Users can execute these paradoxes on actual quantum hardware through IBM’s free tier quantum service by running Python scripts locally or importing OpenQASM circuit files directly into the IBM Quantum Composer browser interface. Each implementation provides clear demonstrations of quantum phenomena with educational value for understanding the counterintuitive nature of quantum mechanics.

CAPABILITIES

Key Features

Powerful features that make this solution stand out

Schrödinger's Cat State

4-qubit GHZ cat state implementation demonstrating macroscopic quantum superposition where the system exists in a coherent superposition of all qubits being simultaneously in 0 and 1 states until measurement.

Wigner's Friend Paradox

Observer-dependent reality demonstrations with nested observer scenarios showing how quantum measurements depend on reference frames, challenging the objectivity of quantum state descriptions with 3-4 qubit implementations.

Hardy's Paradox

2-qubit demonstration of quantum nonlocality without Bell inequalities, showing that quantum mechanics permits interaction events that seem logically impossible from a classical perspective yet are experimentally verifiable.

GHZ & Bell Inequality Tests

3-qubit GHZ "all or nothing" nonlocality and 2-qubit CHSH-Bell inequality violation tests providing the strongest experimental evidence that quantum mechanics cannot be explained by local hidden variable theories.

Quantum Eraser & Delayed Choice

Which-path erasure experiments restoring interference patterns and Wheeler's delayed choice implementations demonstrating retrocausality-like effects where measurement choices seemingly affect past quantum states with 3-qubit circuits.

Quantum Zeno Effect & Interaction-Free Measurement

Single-qubit Quantum Zeno Effect showing how frequent measurements freeze quantum evolution, and 2-qubit Elitzur-Vaidman bomb tester enabling detection of objects without physical interaction through quantum interrogation.

TECH STACK

Built With Modern Technologies

Python Qiskit IBM Quantum OpenQASM
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GitHub Repository

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